Combined door sill and threshold



FIG. 1 is a perspective view of my new combined door sill and threshold design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view of my new design, the right side view being a mirror image thereof;

FIG. 5 is a top view of my new combined door sill and threshold design;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective partially exploded view of my new combined door sill and threshold showing the design of its threshold cap. 

The ornamental design entitled combined door sill and threshold, as shown and described. 